Figure 5 | Scientific Reports

Figure 5

From: Epidemiology of a SKin Ulceration Disease (SKUD) in the sea cucumber Holothuria scabra with a review on the SKUDs in Holothuroidea (Echinodermata)

Figure 5

The fine external structure of healthy and SKUD-affected Holothuria scabra sea cucumber integument. (A,B) healthy integument, (A) external surface of the integument, (B) connective tissue present under the epidermis (transverse section). (C–H) SKUD-affected integument. (C–H) external surface of the ulcerated integument. (E–H) Ossicles, bacteria and diatoms visible at the ulcer surface. Legend: b bacteria, c cuticle, Cf collagen fiber, d diatom, pfe predicted flagellated eukaryotes, Os ossicle.

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